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rate
The relationship between two measurements of different units; for example, the change in distance with respect to time (miles per hour).
This entry is located in the following unit:
Measurements and Mathematics Terms
(page 8)
Word Entries containing the term:
“rate”
baud, baud rate, Bd
In engineering, a unit of electrical signaling speed equal to one pulse per second, measuring the rate at which signals are sent between electronic devices; such as, telegraphs and computers.
For example, 300 baud (or bauds) is about 300 words a minute or a unit of speed in data transmission of a computer equal to one bit per second; or, a unit of transmission speed for electronic signals, corresponding to one information unit or event per second.
Named after Jean Maurice Emile Baudot (1845-1903), a French engineer.
This entry is located in the following unit:
Measurements and Mathematics Terms
(page 3)
birth rate
The number of live births per 1,000 population in a given year.
This entry is located in the following unit:
Geography Terms +
(page 2)
charge rate
The current applied to a cell or battery to restore its available capacity.
This rate is commonly normalized by a charge control device with respect to the rated capacity of the cell or battery.
This entry is located in the following unit:
Photovoltaic Conversion Efficiency Terms +
(page 4)
discharge rate
The rate, usually expressed in amperes or time, at which electrical current is taken from the battery.
This entry is located in the following unit:
Photovoltaic Conversion Efficiency Terms +
(page 7)
Symbolized by r, the fraction by which a population is growing in each instant of time: The intrinsic rate of increase is often used in the population ecology of insects to determine how the factors of the environment affect the rate of population growth of insect pests.
This entry is located in the following unit:
Ant and Related Entomology Terms
(page 10)
temperature lapse rate
The rate at which temperatures decrease with height.
This entry is located in the following unit:
Meteorology or Weather Terms +
(page 7)